code: def gather(*args):
      return args
  
imports: import subprocess
  import tempfile
  import time
  from ray.tests.conftest import *
  import pytest
  from filelock import FileLock
  import ray
  from ray._private.test_utils import run_string_as_driver_nonblocking
  from ray import workflow
  from ray.workflow import workflow_storage
  from ray.workflow.storage.debug import DebugStorage
  from ray.workflow.tests import utils
  from ray.workflow.exceptions import WorkflowNotResumableError
label_desc: Use image node_id 2 for calling a global function with example usage: gather() and returns: args